Advertisements
Advertisements
प्रश्न
Under which condition is the magnitude of average velocity equal to average speed ?
Advertisements
उत्तर
The magnitude of average velocity is equal to average speed when an object covers equal distances in equal intervals of time in a particular direction.
APPEARS IN
संबंधित प्रश्न
What name is given to the speed in a specified direction ?
In addition to speed, what else should we know to predict the position of a moving body ?
A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds:
How far does it travel in 1 second ?
Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.
Give an example of motion in which the average speed is not zero but the average velocity is zero.
Express the following in m s-1.
18 km min-1
Figure shows the displacement of a body at different times .
Calculate the velocity of the body as it moves for time interval :
(i) 0 to 5 s,
(ii) 5 s to 7 s
(iii) 7 s to 9 s.
A train travels with a speed of 60 km h-1 from station A to station B and then comes back with a speed 80 km h-1 from station B to station A. Find -
- The average speed
- The average velocity of the train.
Write down the type of motion of a body along with the A – O – B of the following distance – time graph.
Distinguish between speed and velocity.
